C#自定义事件及用法实例

using System;namespace TestEventArgs{ /// <summary> /// 这个类对应于EventArgs，做对比学习。 /// 添加两个内容：info1，info2。 /// </summary> public class MyEventArgs : EventArgs {  private String info1;  private UInt32 info2;  public MyEventArgs(String info1, UInt32 info2)  {   this.info1 = info1;   this.info2 = info2;  }  public String Info1  {   get { return this.info1; }   set { this.info1 = value; }  }  public UInt32 Info2  {   get { return this.info2; }   set { this.info2 = value; }  } } /// <summary> /// 仿真Button按钮 /// </summary> public class MyButton {  public delegate void MyEvnetHandler(object sender, MyEventArgs e);  /// <summary>  /// 按钮点击的次数计数器  /// </summary>  public static UInt32 clicked_num = 0;  public event MyEvnetHandler MyClick;  public void 触发()  {   MyEventArgs arg = new MyEventArgs(DateTime.UtcNow.ToString(), ++clicked_num);   MyClick(this, arg);  } } /// <summary> /// 仿真Form窗体 /// </summary> public class MyForm {  public MyButton 按钮;  public MyForm()  {   按钮 = new MyButton();   按钮.MyClick += new MyButton.MyEvnetHandler(this.button_Clicked);  }  public void button_Clicked(object sender, MyEventArgs e)  {   Console.WriteLine("button clicked(sender is:" + sender.ToString() + "; info1 = "    + e.Info1 + "; info2 = " + e.Info2);  } } class Program {  static void Main(string[] args)  {   MyForm 窗体 = new MyForm();   for (int i = 0; i < 10; i++ )   {    窗体.按钮.触发();    System.Threading.Thread.Sleep(500);   }   Console.WriteLine("Press any key to continue...");   Console.ReadKey();  } }}